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Message-ID: <YgFELcVluEqr9LAH@pendragon.ideasonboard.com>
Date: Mon, 7 Feb 2022 18:09:17 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
linux-clk@...r.kernel.org, linux-staging@...ts.linux.dev,
Yong Deng <yong.deng@...ewell.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Maxime Ripard <mripard@...nel.org>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Hans Verkuil <hans.verkuil@...co.com>,
Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Helen Koike <helen.koike@...labora.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v2 08/66] dt-bindings: media: Add Allwinner A31 MIPI
CSI-2 bindings documentation
Hi Paul,
Thank you for the patch.
On Sat, Feb 05, 2022 at 07:53:31PM +0100, Paul Kocialkowski wrote:
> This introduces YAML bindings documentation for the Allwinner A31 MIPI
> CSI-2 controller.
>
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
> Reviewed-by: Maxime Ripard <mripard@...nel.org>
> Reviewed-by: Rob Herring <robh@...nel.org>
> ---
> .../media/allwinner,sun6i-a31-mipi-csi2.yaml | 142 ++++++++++++++++++
> 1 file changed, 142 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml
> new file mode 100644
> index 000000000000..09207904b6db
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml
> @@ -0,0 +1,142 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-mipi-csi2.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Allwinner A31 MIPI CSI-2 Device Tree Bindings
> +
> +maintainers:
> + - Paul Kocialkowski <paul.kocialkowski@...tlin.com>
> +
> +properties:
> + compatible:
> + oneOf:
> + - const: allwinner,sun6i-a31-mipi-csi2
> + - items:
> + - const: allwinner,sun8i-v3s-mipi-csi2
> + - const: allwinner,sun6i-a31-mipi-csi2
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: Bus Clock
> + - description: Module Clock
> +
> + clock-names:
> + items:
> + - const: bus
> + - const: mod
> +
> + phys:
> + maxItems: 1
> + description: MIPI D-PHY
> +
> + phy-names:
> + items:
> + - const: dphy
> +
> + resets:
> + maxItems: 1
> +
> + ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> +
> + properties:
> + port@0:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + description: Input port, connect to a MIPI CSI-2 sensor
> +
> + properties:
> + reg:
> + const: 0
> +
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + data-lanes:
> + minItems: 1
> + maxItems: 4
> +
> + required:
> + - data-lanes
> +
> + additionalProperties: false
> +
> + port@1:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + description: Output port, connect to a CSI controller
> +
> + properties:
> + reg:
> + const: 1
> +
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + additionalProperties: false
The two ports should be required.
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - phys
> + - phy-names
And ports should be required here.
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> + - resets
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/clock/sun8i-v3s-ccu.h>
> + #include <dt-bindings/reset/sun8i-v3s-ccu.h>
> +
> + mipi_csi2: csi@...1000 {
> + compatible = "allwinner,sun8i-v3s-mipi-csi2",
> + "allwinner,sun6i-a31-mipi-csi2";
> + reg = <0x01cb1000 0x1000>;
> + interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_CSI>,
> + <&ccu CLK_CSI1_SCLK>;
> + clock-names = "bus", "mod";
> + resets = <&ccu RST_BUS_CSI>;
> +
> + phys = <&dphy>;
> + phy-names = "dphy";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + mipi_csi2_in: port@0 {
> + reg = <0>;
> +
> + mipi_csi2_in_ov5648: endpoint {
> + data-lanes = <1 2 3 4>;
> +
> + remote-endpoint = <&ov5648_out_mipi_csi2>;
> + };
> + };
> +
> + mipi_csi2_out: port@1 {
> + reg = <1>;
> +
> + mipi_csi2_out_csi0: endpoint {
> + remote-endpoint = <&csi0_in_mipi_csi2>;
> + };
> + };
> + };
> + };
> +
> +...
--
Regards,
Laurent Pinchart
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